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Medtronic begins thoracic stent graft system post-market study

US-based medical technology company Medtronic has begun the post-market study of the Valiant Navion thoracic stent graft system in patients with thoracic aortic dissection.

The prospective, observational, global, multi-centre, real-world study will evaluate the safety and effectiveness of the system in the treatment of thoracic aortic dissection.

Thoracic aortic dissection is a serious condition, in which the inner layer of the lower aorta is torn, separating the inner and middle layers of the aorta.

The first patient procedure in the DISSECT-N study was performed at Northwell Health in New York by aortic surgery director Derek Brinster.

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